comet
释义
n. 彗星
自然拼读
词态
复数：comets
例句
I want to see the new comet.
我想看到那颗新的彗星。
Comet Hale-Bopp, discovered in 1995 was an unusually bright comet.
1995年发现的海尔-波普彗星是一颗异常明亮的彗星。
As the comet gets even nearer to the sun, a solo wind blows the cloud behind the comet, thus forming its tail.
当彗星更接近太阳时，一股单独的风将云朵吹到彗星后面，它的尾巴就是这样形成的。
As a comet gets closer to the sun, some gases in it begin to unfreeze.
当彗星接近太阳时，其中的一些气体开始解冻。
They combine with dust particles from the comet to form a huge cloud.
它们与来自彗星的尘埃颗粒结合形成了巨大的云团。
Astronomer: Observations of the Shoemaker-Levi comet on its collision course with Jupiter showed that the comet broke into fragments before entering Jupiter's atmosphere in 1994, but they did not show how big those fragments were.
天文学家：对苏梅克-李维彗星与木星碰撞过程的观察显示，彗星在1994年进入木星大气层之前曾分裂成碎片，但未显示这些碎片有多大。
The trip from Earth by "Philae" had taken ten years! The scientists had no idea what the surface of the comet would be like.
“菲莱”号从地球出发的旅行已经花了十年的时间！科学家们不知道彗星的表面会是什么样子。
The answer is that this comet hasn't always been in such a short periodic orbit, since once a comet gets into an orbit that keeps it coming in close to the Sun quite frequently, that comet's probably not going to be around too much longer.
答案是，这颗彗星不总是绕着这个短的周期性轨道运转，因为一旦它进入了这种使自己频繁接近太阳的轨道，可能不久之后就会不复存在。
It has been estimated that without this shield, Earth would have experienced bombardment by comet-sized impactors a thousand times more frequently than has actually been recorded during geological time.
据估计，如果没有这层保护层，地球遭受彗星大小的撞击物撞击的频率将是地质时期实际记录的1000倍。
Nevertheless, astronomers still believed that when a comet approached the Sun—where they could study it—the Sun's intense heat would remove the corrupted surface layer, exposing the interior.
尽管如此，天文学家们仍然相信，当一颗彗星接近太阳时——这是他们可以研究它的地方——太阳的高温将会移除损坏的表层，露出内部。
The comet appeared in the night sky.
彗星出现在夜空中。
We saw a comet last night.
昨晚我们看到了彗星。
词组
halley's comet
[天]哈雷彗星
已安全检测